CA2384398A1 - Dispositif de protection contre les emboles - Google Patents

Dispositif de protection contre les emboles Download PDF

Info

Publication number
CA2384398A1
CA2384398A1 CA002384398A CA2384398A CA2384398A1 CA 2384398 A1 CA2384398 A1 CA 2384398A1 CA 002384398 A CA002384398 A CA 002384398A CA 2384398 A CA2384398 A CA 2384398A CA 2384398 A1 CA2384398 A1 CA 2384398A1
Authority
CA
Canada
Prior art keywords
filter
filter element
filter body
distal
blood
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002384398A
Other languages
English (en)
Inventor
Paul Gilson
Eamon Brady
Michael Gilvarry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salviac Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/IE1999/000036 external-priority patent/WO2000067666A1/fr
Priority claimed from PCT/IE1999/000033 external-priority patent/WO2000067664A1/fr
Application filed by Individual filed Critical Individual
Publication of CA2384398A1 publication Critical patent/CA2384398A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
    • A61F2002/018—Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0067—Three-dimensional shapes conical

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)

Abstract

L'invention concerne un élément filtre (105) pliable pour dispositif (100) transcathéter de protection contre les emboles. Ledit élément filtre (105) comprend un corps (110) pliable en matériau polymère pouvant passer d'une position de rangement pliée permettant son déplacement dans un système vasculaire à une position déployée permettant son déploiement dans un vaisseau sanguin, et vice versa, de manière que le sang s'écoulant dans le vaisseau sanguin passe à travers l'élément filtre(105). Une partie entrée proximale du corps (110) du filtre comporte une ou plusieurs ouvertures (117) d'entrée d'une taille appropriée pour permettre au sang et aux corps emboliques de pénétrer dans le corps (110) du filtre. Une partie sortie distale du corps (110) du filtre comporte une pluralité d'ouvertures (119) de sortie généralement circulaires d'une taille appropriée pour permettre au sang de s'écouler et piéger les corps emboliques dans le corps (110) du filtre. La partie sortie distale du corps (110) du filtre dans la zone des ouvertures (119) de sortie est pourvue de moyens permettant de réduire les contraintes de cisaillement s'exerçant sur le sang passant à travers les ouvertures (119) de sortie. Ces moyens de réduction des contraintes de cisaillement comprennent les zones arrondies d'admission et de sortie du corps (110) du filtre conduisant aux ouvertures (119) de sortie. La porosité de la partie distale du corps (110) du filtre diminue vers l'extrémité distale. Une partie (130) non perforée s'étend sur 5 % au moins de la longueur du corps (110). De préférence, l'élément filtre compte de 200 à 300 ouvertures (119) de sortie, d'un diamètre moyen de 150 microns environ.
CA002384398A 1999-05-07 2000-05-08 Dispositif de protection contre les emboles Abandoned CA2384398A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
PCT/IE1999/000036 WO2000067666A1 (fr) 1999-05-07 1999-05-07 Element de filtrage perfectionne pour dispositif de protection contre l'embolie
IEPCT/IE99/00033 1999-05-07
PCT/IE1999/000033 WO2000067664A1 (fr) 1999-05-07 1999-05-07 Dispositif de protection contre l'embolie
IEPCT/IE99/00036 1999-05-07
PCT/IE2000/000055 WO2000067670A1 (fr) 1999-05-07 2000-05-08 Dispositif de protection contre les emboles

Publications (1)

Publication Number Publication Date
CA2384398A1 true CA2384398A1 (fr) 2000-11-16

Family

ID=26320277

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002384398A Abandoned CA2384398A1 (fr) 1999-05-07 2000-05-08 Dispositif de protection contre les emboles

Country Status (9)

Country Link
US (5) US6726701B2 (fr)
EP (2) EP1176923A1 (fr)
JP (2) JP2002543875A (fr)
AU (2) AU774500B2 (fr)
CA (1) CA2384398A1 (fr)
DE (2) DE10084521T1 (fr)
GB (1) GB2365356A (fr)
IL (1) IL145979A0 (fr)
WO (2) WO2000067668A1 (fr)

Families Citing this family (320)

* Cited by examiner, † Cited by third party
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EP1176924A1 (fr) 2002-02-06
US8038697B2 (en) 2011-10-18
US20070060945A1 (en) 2007-03-15
US20090149881A1 (en) 2009-06-11
JP2002543875A (ja) 2002-12-24
GB2365356A (en) 2002-02-20
US6726701B2 (en) 2004-04-27
IL145979A0 (en) 2002-07-25
EP1176923A1 (fr) 2002-02-06
US20040267302A1 (en) 2004-12-30
AU774500B2 (en) 2004-07-01
DE10084521T1 (de) 2002-06-20
JP2002543877A (ja) 2002-12-24
WO2000067670A1 (fr) 2000-11-16
DE20080298U1 (de) 2001-12-20
EP1176924B1 (fr) 2005-01-12
US20080167677A1 (en) 2008-07-10
WO2000067668A1 (fr) 2000-11-16
AU4606400A (en) 2000-11-21
AU4426500A (en) 2000-11-21

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